Math, asked by ssimar646, 10 months ago

find the sum of 21 + 18+15....-9-12

Answers

Answered by SoduKu

4

Answer:

Answer is

18 + 15 +21-21

33ans

mark.as brainliwst answer please please

Answered by sawanttanmay1221123

1

Answer:

54

Step-by-step explanation:

21+18+15+12+9+6+3=84

(-3)+(-6)+(-9)+(-12)=(-30)

84+(-30)=54

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